Brand from Japan: BRAIN COSMOS. Apply directly to hardened, brownish bumps caused by keratinization to soften the keratin plugs.Once softened, the active ingredients penetrate the area, gradually smoothing uneven skin texture. While moisturizing the affected area, it restores your skin’s natural clarity and leads to a refined, bump-free complexion. How to use:After bathing or cleansing your face, and preparing your skin with toner, take an appropriate amount (1–2 drops) in your hand and apply directly to care points such as the face, neck, and décolletage.